Java tutorial
//package com.java2s; //License from project: Apache License import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean checkEmail(Object strObj) { String str = strObj + ""; String match = "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*"; Pattern pattern = Pattern.compile(match); Matcher matcher = pattern.matcher(str); return matcher.matches(); } }